The vulnerability in the HTMLUserTextField class (located at includes/htmlform/fields/HTMLUserTextField.php) of the MediaWiki software allows a hacker to disclose protected information.
🗓️ 20 Oct 2025 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 18 Views
| Reporter | Title | Published | Views | Family All 27 |
|---|---|---|---|---|
 | CVE-2025-6590 | 2 Feb 202623:03 | – | attackerkb |
 | MediaWiki Security Breach | 4 Jul 202500:00 | – | cnnvd |
 | CVE-2025-6590 | 2 Feb 202623:03 | – | cve |
 | CVE-2025-6590 Complete content leak of private wikis due to PasswordReset Wikitext injection in error message | 2 Feb 202623:03 | – | cvelist |
 | [SECURITY] [DLA 4249-1] mediawiki security update | 23 Jul 202520:28 | – | debian |
| [SECURITY] [DSA 5957-1] mediawiki security update | 3 Jul 202518:21 | – | debian |
 | CVE-2025-6590 | 2 Feb 202623:03 | – | debiancve |
 | Debian dla-4249 : mediawiki - security update | 23 Jul 202500:00 | – | nessus |
| Debian dsa-5957 : mediawiki - security update | 3 Jul 202500:00 | – | nessus |
| Linux Distros Unpatched Vulnerability : CVE-2025-6590 | 15 Aug 202500:00 | – | nessus |
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22 Sep 2026 00:00Current
6.4Medium risk
Vulners AI Score6.4
CVSS 35.4
CVSS 25.5
EPSS0.00369